Williamstown, MI has a typical midwestern climate with warm summers and cold winters. In the summer months, temperatures in Williamstown are usually in the lower 80s with high humidities and occasional thunderstorms. During winter months, temperatures can drop below freezing and snowfall is common. Spring and autumn bring milder temperatures with less humidity and rainfall. The area enjoys four distinct seasons of weather throughout the year, making it a pleasant place to live for locals and visitors alike.
Williamstown, Michigan gets 32 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Williamstown averages 44 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 175 sunny days per year in Williamstown. The US average is 205 sunny days.
Williamstown gets some kind of precipitation, on average, 127 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 83 degrees
Winter Low: the January low is 16
Rain: averages 32 inches of rain a year
Snow: averages 44 inches of snow a year